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This deal is not for everyone, unless you have a friend in the HVAC business you will more than likely have to self install as most companies understandably will not install self purchased equipment. This is not ductless.
3.5 ton air condenser plus encased coil for $ 1357. Listing states 14 SEER but when I looked at what is included it appears to be 16 SEER.
Best price I could see for the two pieces separately was $ 1271 for the condenser and 534 for the encased coil.
There are many combinations available but I cannot speak to the savings. This is the size I was looking for so I know this is a good deal.